Nibe CLIMTE MASTER TRANQUILITY SE PREMIER Series Installation, Operation & Maintenance Manual
Nibe CLIMTE MASTER TRANQUILITY SE PREMIER Series Installation, Operation & Maintenance Manual

Nibe CLIMTE MASTER TRANQUILITY SE PREMIER Series Installation, Operation & Maintenance Manual

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COMMERCIAL
TranquiliTy® (SE) PrEMiEr SEriES
INSTALLATION, OPERATION
& MAINTENANCE MANUAL
Revised: February 21, 2025
Models: SE 006-072
60 Hz – R-454B
Preliminary

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  • Page 1 COMMERCIAL TranquiliTy® (SE) PrEMiEr SEriES INSTALLATION, OPERATION & MAINTENANCE MANUAL Revised: February 21, 2025 Models: SE 006-072 60 Hz – R-454B Preliminary...
  • Page 2: Table Of Contents

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Table of Contents 006-072 Model Nomenclature Electrical: Power Wiring Attentions, Cautions, and Warnings Electrical: Low Voltage Wiring General Information Electrical: DXM2.5 Example Wiring Diagram Minimum Installation Area Electrical: Thermostat Wiring Refrigerant System Servicing EC Blower Motor Control Physical Data Constant Volume CV EC Limits Horizontal Installation...
  • Page 3: Model Nomenclature

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Model Nomenclature 006-072 PRODUCT STANDARD NAME S = Standard S = R-454B Refrigerant BLOWER MOTOR MODEL V = Constant Volume (CV) EC Motor TYPE E = Premier Series EXTENDED OPTIONS 0 = Standard SUPPLY & RETURN G = Hot Water Generator CONFIGURATIONS Left Horizontal...
  • Page 4: Attentions, Cautions, And Warnings

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Attentions, Cautions, and Warnings 006-072 SAFETY WARNING All refrigerant discharged from this unit must be recovered WITHOUT Warnings, cautions, and notices appear EXCEPTION. Technicians must follow industry accepted guidelines and throughout this manual. Read these items carefully all local, state, and federal statutes for the recovery and disposal of refrigerants.
  • Page 5 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Attentions, Cautions, and Warnings 006-072 CAUTION DO NOT store or install units in corrosive environments or in locations subject to temperature or humidity extremes (e.g., attics, garages, rooftops, etc.). Corrosive conditions and high temperature or humidity can significantly reduce performance, reliability, and service life.
  • Page 6: General Information

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: General Information 006-072 INSPECTION PRE-INSTALLATION Upon receipt of the equipment, carefully check the Installation, Operation, and Maintenance instructions shipment against the bill of lading. Make sure all units are provided with each unit. Horizontal equipment have been received.
  • Page 7 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: General Information 006-072 Work Procedure Checks to the Refrigeration Equipment Work shall be undertaken under a controlled procedure The following checks shall be applied to installations so as to minimise the risk of a flammable gas or vapor using FLAMMABLE REFRIGERANTS: being present while the work is being performed.
  • Page 8 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: General Information 006-072 REPAIR TO INTRINSICALLY SAFE COMPONENTS Intrinsically safe components must be replaced. CABLING Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.
  • Page 9: Minimum Installation Area

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Minimum Installation Area 006-072 MINIMUM INSTALLATION AREA Minimum area where a blower-equipped unit must be installed, and mechanical/natural ventilation is not required Minimum Installation Charge Area ft ) [A Model Configuration (oz) Floor Window Wall Ceiling Minimum area where unit is installed where unit...
  • Page 10: Refrigerant System Servicing

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Refrigerant System Servicing 006-072 REFRIGERANT SYSTEM The outlet for the vacuum pump shall not be close to any potential ignition sources, To maintain sealed circuit integrity, do not install and ventilation shall be available. service gauges unless unit operation appears Charging Procedures abnormal.
  • Page 11 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Refrigerant System Servicing 006-072 Ensure that the detector is not a potential source of Mechanical handling equipment is available, Ignition and is suitable for the refrigerant used. Leak if required, for handling refrigerant cylinders. detection equipment shall be set at a percentage All personal protective equipment is available of the lower flammability limit of the refrigerant and...
  • Page 12 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Refrigerant System Servicing 006-072 RECOVERY When removing refrigerant from a system, either for In addition, a set of calibrated weighing scales servicing or decommissioning, it is recommended shall be available and in good working order. good practice that all refrigerants are removed safely.
  • Page 13: Physical Data

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Physical Data 006-072 Tranquility (SE) Series Model (SE) Compressor (1 each) Scroll Factory Charge R-454B - (oz.) Refrigerant Leak Detection System Number of Sensors Water Connection Size Source FPT 1/2” 1/2” 1/2” 3/4” 3/4” 3/4”...
  • Page 14: Horizontal Installation

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Horizontal Installation 006-072 HORIZONTAL UNIT LOCATION The installation of water-source heat pump units and all associated components, parts and accessories which Units are not designed for outdoor installation. Locate make up the installation shall be in accordance with the unit in an INDOOR area that allows enough space the regulations of ALL authorities having jurisdiction for service personnel to perform typical maintenance...
  • Page 15: Horizontal Installation: Service Access

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Horizontal Installation: Models: Service Access 006-072 Left Return Back Discharge Right Return Back Discharge Supply Supply Air Flow Air Flow Return Return Air Flow Air Flow Front Front Left Return Straight Discharge Right Return Straight Discharge Return Supply Supply...
  • Page 16 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Actual area is 3.5313” w x 8.875”h Horizontal Installation 006-072 Guides indicate .125” bleed all around Figure 2: Horizontal Unit Pitch 1/4” (6.4 mm) pitch toward drain for drainage Actual area is 7.25” w x 8.875”h Guides indicate .125”...
  • Page 17: Condensate Piping

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Horizontal Installation 006-072 CONDENSATE PIPING STAINLESS STEEL DRAIN PANS Actual area is 3.5313” w x 8.875”h A condensate drain line must be installed and The condensate connection is female pipe thread. Guides indicate .125” bleed all around pitched away for the unit to allow for proper Field to provide condensate connection male adapter.
  • Page 18: Duct System Installation

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Horizontal Installation 006-072 DUCT SYSTEM INSTALLATION Proper duct sizing and design is critical to the An unventilated area where water-source performance of the unit. The duct system should heat pump is installed and surpasses a R-454B be designed to allow adequate and even airflow refrigerant charge of 62 oz (1.76 kg), shall be without through the unit during operation.
  • Page 19 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Actual area is 3.5313” w x 8.875”h 006-072 Guides indicate .125” bleed all around Figure 5: Left Return – Side-to-Back OVERVIEW Remove Screws Water Horizontal unit blower assembly can be field Connection End converted between side (straight) and back (end) discharge using the instructions below.
  • Page 20: Vertical Installation

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Vertical Installation 006-072 VERTICAL UNIT LOCATION 6. Provide access to water valves and fittings and screwdriver access to the unit side panels, Units are not designed for outdoor installation. Locate discharge collar and all electrical connections. the unit in an INDOOR area that allows enough space Figure 7: Vertical Unit Mounting for service personnel to perform typical maintenance...
  • Page 21: Condensate Piping For Vertical Units

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Vertical Installation 006-072 SOUND ATTENUATION FOR VERTICAL UNITS Always vent the condensate line when dirt or air can collect in the line or a long horizontal drain line Sound attenuation is achieved by enclosing the is required.
  • Page 22: Vertical Installation: Service Access

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Actual area is 7.25” w x 8.875”h Vertical Installation: Models: Guides indicate .125” bleed all around Service Access 006-072 Vertical Units Left Return Supply Air Opening Front CCP and BSP Right Return Supply Air Opening Front CCP and BSP Notes:...
  • Page 23: Piping Installation

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Piping Installation 006-072 INSTALLATION SUPPLY AND RETURN PIPING Optional pressure-rated hose assemblies designed specifically for use with ClimateMaster units are Follow these piping guidelines. available. Similar hoses can be obtained from alternate suppliers. Supply and return hoses are Install a drain valve at the base of each supply fitted with swivel-joint fittings at one end to prevent and return riser to facilitate system flushing.
  • Page 24: Vflow® Heat Pump Applications Overview

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: vFlow® Heat Pump Applications Overview 006-072 vFlow is a revolutionary new, intelligent, and efficient 4. High Head Variable Pump – Typical for way to circulate water (or water plus antifreeze) Individual Unit Pumping. using internal, variable speed water flow control. With this option the unit includes an internal The factory installed high efficiency variable speed variable speed pump that is capable of higher...
  • Page 25 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: vFlow Heat Pump Applications Overview 006-072 Typical Open Loop Application WPD Adders Close Model MOPD (Shown with Internal Modulating Motorized Valve) 1.63 3.76 SE*048 3.67 8.47 12.0 6.52 15.06 To Thermostat 1.03 2.37 SE*060 11.3 2.33 5.39...
  • Page 26 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: vFlow Heat Pump Applications Overview 006-072 Standard Head Variable Pump Performance No Check Valve With Check Valve Flow Rate (gpm) High Head Variable Pump Performance No Check Valve With Check Valve Flow (gpm) PA G E : 2 6 r e v i s e d : F e b r u a r y 2 1 , 2 0 2 5 w w w.
  • Page 27: Water-Loop Heat Pump Applications

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Water-Loop Heat Pump Applications 006-072 COMMERCIAL WATER LOOP APPLICATIONS The piping system should be flushed to remove dirt, piping chips, and other foreign material prior Commercial systems typically include a number of to operation (see Piping System Cleaning and units connected to a common piping system.
  • Page 28: Ground-Loop Heat Pump Application

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Ground-Loop Heat Pump Application 006-072 Test individual horizontal loop circuits before CAUTION backfilling. Test vertical U-bends and pond loop The following instructions represent industry accepted installation assemblies prior to installation. Pressures of at least practices for closed loop earth coupled heat pump systems.
  • Page 29: Ground-Loop And Ground Water Heat Pump Applications

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Ground-Loop and Ground Water Models: Heat Pump Applications 006-072 Figure 12: Ground-Loop Heat Pump Applications Typical Closed Loop with Central Pumping (unit with internal modulating water valve) To Thermostat Internal Motorized Modulating Valve Water Out Water In High and Low Voltage...
  • Page 30: Open Loop: Ground Water Systems

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Ground-Loop and Ground Water Models: Heat Pump Applications 006-072 OPEN LOOP: GROUND WATER SYSTEMS Desuperheater coils can likewise become scaled and possibly plugged. In areas with extremely hard Typical open loop piping is shown in Figure 13. Shut off water, the owner should be informed that the heat valves should be included for ease of servicing.
  • Page 31 TranquiliTy® (SE) PrEMiEr SEriES– iOM Ground-Loop and Ground Water Models: Heat Pump Applications 006-072 WATER CONTROL VALVE: FLOW REGULATION: UNITS WITHOUT vFlow UNITS WITHOUT vFlow Always maintain water pressure in the heat Flow regulation can be accomplished by two exchanger by placing the water control valve(s) on methods.
  • Page 32: Water Quality Requirements

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Water Quality Requirements 006-072 Table 4: Water Quality Requirements Clean water is essential to the performance and life span of water-source heat pumps. Contaminants, chemicals, and minerals all have the potential to cause damage to the water heat exchanger if not treated properly.
  • Page 33 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Water Quality Requirements 006-072 α The Water Quality table provides water quality Hydrogen Sulfide has an odor of rotten eggs. requirements for coaxial and brazed-plate If one detects this smell, a test for H S must be heat exchangers.
  • Page 34 TranquiliTy® (SE) PrEMiEr SEriES– iOM Actual area is 7.25” w x 8.875”h Models: Water Quality Requirements Guides indicate .125” bleed all around 006-072 Measuring Earth Ground Resistance for Ground-Water Applications � 0.02 Building Well Casing Ground Rod Ohm meter Measure the earth ground bond using an Ohm meter between the building’s ground rod and the steel well casing.
  • Page 35 TranquiliTy® (SE) PrEMiEr SEriES– iOM Actual area is 7.25” w x 8.875”h Models: Water Quality Requirements Guides indicate .125” bleed all around 006-072 Measuring Electrolysis, Voltage, and Current for Ground-Water Applications 300mV Heat Pump Volt Meter Wire Electrode inserted into port for Voltage Measurement Pete’s Port Water in...
  • Page 36: Hot Water Generator

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Hot Water Generator 006-072 The Hot Water Generator (HWG) or desuperheater Using a 125°F setpoint, the HWG can heat the lower option provides considerable operating-cost savings 40 gallons of water from 100°F to 125°F, providing up by utilizing heat energy from the compressor to 8,330 btu’s of heat.
  • Page 37: Installation

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Hot Water Generator 006-072 Figure 15: Two-tank HWG Installation If the control detects a HWG fault, the DXM2.5 status LED flashes a numeric fault code as follows: Shut-o Cold Inlet from Domestic Supply Hot Outlet Valve #4 to House High Water Temperature (>...
  • Page 38: Water Tank Preparation

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Hot Water Generator 006-072 Hot Water Generator settings are determined by The heat pump, water piping, pump, and hot water tank DIP switches 3-2, 3-3, and 3-4. should be located where the ambient temperature does not fall below 50°F (10°C).
  • Page 39: Water Tank Refill

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Hot Water Generator 006-072 WATER TANK REFILL INITIAL STARTUP Close valve #4. Ensure that the HWG valves Make sure all valves in the HWG water circuit (valves #2 and #3) are open. Open the cold are fully open.
  • Page 40: Electrical Data: Cv Ec Blower Motor

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Electrical Data: CV EC Blower Motor Models: Standard Unit 006-072 TOTAL FUSE/ COMPRESSOR VOLTAGE VOLTAGE Model VOLTAGE MOTOR UNIT CIRCUIT HACR CODE MIN/MAX QTY RLA G.J. 208/230-1-60 187/252 5.27 6.21 SE006 E.D. 265-1-60 249/291 4.53 G.J.
  • Page 41 TranquiliTy® (SE) PrEMiEr SEriES– iOM Electrical Data: CV EC Blower Motor Models: with Internal Secondary Pump 006-072 TOTAL FUSE/ COMPRESSOR VOLTAGE VOLTAGE PUMP Model VOLTAGE MOTOR UNIT CIRCUIT HACR CODE MIN/MAX QTY RLA G.J. 208/230-1-60 187/252 13.3 0.43 17.9 21.2 SE018 E.D.
  • Page 42 TranquiliTy® (SE) PrEMiEr SEriES– iOM Electrical Data: CV Blower Motor Models: EC Standard Unit with Variable Pump 006-072 Units with Standard Head Variable Pump Compressor Voltage Pump Total Voltage Fuse/ Model Voltage Min/ Motor Motor Unit Circ Code HACR G.J. 208/230-1-60 187/252 10.3...
  • Page 43: Electrical: Power Wiring

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Electrical: Power Wiring 006-072 Figure 18: Single Phase Line Voltage Field Wiring WARNING Disconnect electrical power source to prevent injury or death from Capacitor electrical shock. Contactor -CC CAUTION Use only copper conductors for field installed electrical wiring. Unit Grnd terminals are not designed to accept other types of conductors.
  • Page 44: Electrical: Low Voltage Wiring

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Electrical: Low Voltage Wiring 006-072 THERMOSTAT CONNECTIONS exchanger and expansion device (TXV). Therefore, LT1 is sensing refrigerant temperature, not water The thermostat should be wired directly to the temperature, which is a better indication of how DXM2.5.
  • Page 45: Electrical: Dxm2.5 Example Wiring Diagram

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Electrical: DXM2.5 Example Wiring Diagram 006-072 NOTES: Field Use Only: Transformer wiring is voltage-sensitive. Use layout corresponding to the unit voltage. Typical heat-pump thermostat wiring shown. Refer to thermostat IOM for wiring to the unit. Thermostat wiring must be “Class I”...
  • Page 46: Accessory Connections

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Electrical: Low Voltage Wiring 006-072 ACCESSORY CONNECTIONS WATER SOLENOID VALVES A terminal paralleling the compressor contactor coil An external solenoid valve(s) should be used on has been provided on the DXM2.5. Terminal “A” is ground water installations to shut off flow to the designed to control accessory devices.
  • Page 47 TranquiliTy® (SE) PrEMiEr SEriES– iOM Electrical: Low Voltage Wiring for non-vFlow Units Models: Using External Motorized Water Valve Actual area is 3.5313” w x 8.875”h 006-072 Guides indicate .125” bleed all around The Two-Stage Piping figure illustrates piping for Figure 22: Accessory Motorized two-stage solenoid valves.
  • Page 48 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Electrical: Low Voltage Wiring 006-072 REFRIGERANT DETECTION SYSTEM (RDS) FIELD-INSTALLED RDS SYSTEM The function, operation, and required servicing If an RDS is optionally being field-installed on measures for the RDS include the following: non-ducted horizontal units in sizes 006-048, use the following guidelines to install the refrigerant The RDS monitors the status of the refrigerant detection sensor upstream of the unit’s return air inlet:...
  • Page 49: Electrical: Thermostat Wiring

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Electrical: Thermostat Wiring 006-072 THERMOSTAT INSTALLATION The thermostat should be located on an interior Mark the position of the back plate mounting holes wall in a larger room, away from supply duct and drill holes with a 3/16-inch (5 mm) bit. Install drafts.
  • Page 50: Ec Blower Motor Control

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: EC Blower Motor Control 006-072 The EC blower motor is controlled directly by the It is highly recommended that the Wireless DXM2.5, which converts thermostat inputs and Service Tool be used to set dehumidification CFM settings to signals used by the EC blower mode electronically.
  • Page 51: Constant Volume Cv Ec Limits

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Constant Volume CV EC Limits 006-072 CV EC MOTOR ADVANTAGE A major benefit of the CV EC motor over other blower motor types is its ability to adjust airflow remotely through the iGate 2 web portal, mobile app, or directly at the unit with the Wireless Service Tool. Airflow levels can be adjusted in increments of 25 CFM from the unit’s minimum and maximum CFM range (see the CV EC motor configuration table for details).
  • Page 52: Controls: Dxm2.5

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Controls: DXM2.5 006-072 DXM2.5 Advanced Communicating Controls For detailed controller information, see the DXM2.5 Application, Operation, and Maintenance (AOM) manual (part # 97B0142N01). To confirm the controller type of your particular unit, refer to digit 9 on the unit model number and the unit nomenclature diagram found on page 3 of this manual.
  • Page 53: Operating Limits And Commissioning Conditions

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Operating Limits and Commissioning Conditions 006-072 OPERATING LIMITS COMMISSIONING CONDITIONS Environment – Units are designed for indoor Starting conditions vary depending upon model and installation only. Never install units in areas subject are based upon the following notes: to freezing or where humidity levels could cause NOTES: cabinet condensation (such as unconditioned...
  • Page 54: Piping System Cleaning And Flushing

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Piping System Cleaning and Flushing 006-072 PIPING SYSTEM CLEANING AND FLUSHING Cleaning and flushing the WLHP piping system is the 10. When the system is successfully cleaned, flushed, single most important step to ensure proper startup refilled and bled, check the main system panels, and continued efficient operation of the system.
  • Page 55: Unit And System Checkout

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Unit and System Checkout 006-072 SYSTEM CHECKOUT WARNING Polyolester Oil, commonly known as POE oil, is a synthetic oil used in System water temperature: Check water † many refrigeration systems including those with R-454B refrigerant. temperature for proper range and also verify POE oil, if it ever comes in contact with PVC or CPVC piping, may cause failure of the PVC/CPVC.
  • Page 56: Unit Startup Procedure

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Unit Startup Procedure 006-072 UNIT STARTUP PROCEDURE Turn the thermostat fan position to “ON”. The Refer to the Typical Unit Operating Pressures blower should start. and Temperatures tables. Check the temperature of both entering and leaving 2.
  • Page 57 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Unit Startup Procedure 006-072 HE (kW) = TD x GPM x 500 WARNING When the disconnect switch is closed, high voltage is present in some where TD is the temperature difference areas of the electrical panel. Exercise caution when working with between the entering and leaving energized equipment.
  • Page 58: Unit Operating Conditions

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Unit Operating Conditions 006-072 Table 8: SE Series Typical Unit Operating Pressures and Temperatures Operating Pressure/Temperature tables include the following notes: Airflow is at nominal (rated) conditions Entering air is based upon 70°F (21°C) DB in heating and 80/67°F (27/19°C) in cooling Subcooling is based upon head pressure at compressor service port Cooling air and water values can vary greatly with changes in humidity level SE*024...
  • Page 59 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Unit Operating Conditions 006-072 SE*048 Full Load Cooling - without HWG active Full Load Heating - without HWG active Entering Water Discharge Suction Water Air Temp Discharge Suction Water Superheat Subcooling Superheat Subcooling Temp Water Flow Pressure...
  • Page 60 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Unit Operating Conditions 006-072 SE*072 Full Load Cooling - without HWG active Full Load Heating - without HWG active Entering Water Discharge Suction Water Air Temp Discharge Suction Water Superheat Subcooling Superheat Subcooling Temp Water Flow Pressure...
  • Page 61: Preventative Maintenance

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Preventative Maintenance 006-072 WATER COIL MAINTENANCE CONDENSATE DRAIN (WATER LOOP APPLICATIONS) In areas where airborne bacteria may produce a slimy substance in the drain pan, it may be necessary Generally water coil maintenance is not needed for to treat the drain pan chemically with an algaecide closed loop systems.
  • Page 62: Troubleshooting

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Troubleshooting 006-072 GENERAL SENSOR INPUTS If operational difficulties are encountered, perform All sensor inputs are ‘paired wires’ connecting each the preliminary checks below before referring to the component to the board. Therefore, continuity on troubleshooting charts.
  • Page 63: Advanced Diagnostics

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Troubleshooting 006-072 ADVANCED DIAGNOSTICS If an AWC Thermostat or Wireless Service Tool (AWST) is connected to the DXM2.5, additional diagnostic information and troubleshooting capabilities are available. The current status of all DXM2.5 inputs can be verified, including the current temperature readings of all temperature inputs.
  • Page 64: Dxm2.5 Functional Troubleshooting Flow Chart

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: DXM2.5 Functional Troubleshooting Flow Chart 006-072 WARNING HAZARDOUS VOLTAGE! DISCONNECT ALL ELECTRIC POWER INCLUDING REMOTE DISCONNECTS BEFORE SERVICING. Failure to disconnect power before servicing can cause severe personal injury or death. DXM2.5 Functional Start Troubleshooting Flow Chart Did Unit Check Main...
  • Page 65: Functional Troubleshooting

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Functional Troubleshooting 006-072 Fault Htg Clg Possible Cause Solution Check line voltage circuit breaker and disconnect. Check for line voltage between L1 and L2 on the contactor. Main power problems Green Status LED Off Check for 24VAC between R and C on DXM2.5 Check primary/secondary voltage on transformer.
  • Page 66 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Functional Troubleshooting 006-072 Table continued from previous page Fault Htg Clg Possible Cause Solution Check power supply and 24VAC voltage before and during operation. Check power supply wire size. Under Voltage Over/Under Check compressor starting. Need hard start kit? Voltage Code 7 Check 24VAC and unit transformer tap for correct power supply voltage.
  • Page 67: Performance Troubleshooting

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Performance Troubleshooting 006-072 Symptom Htg Clg Possible Cause Solution Dirty filter Replace or clean. Check for dirty air filter and clean or replace. Reduced or no airflow in heating Check fan motor operation and airflow restrictions. Too high of external static? Check static vs.
  • Page 68 TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Performance Troubleshooting 006-072 Table continued from previous page Symptom Htg Clg Possible Cause Solution Thermostat wiring Check G wiring at heat pump. Jumper G and R for fan operation. Jumper G and R for fan operation. Check for line voltage across blower Fan motor relay relay contacts.
  • Page 69: Startup Log Sheet

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Startup Log Sheet Startup Log Sheet 006-072 Models: Small Packaged Units Ty, TZ 7300 S.W. 44th Street, Oklahoma City, OK 73179 • Phone: 1-800-299-9747 Installer: Complete Unit and System Checkout and follow Unit Startup Procedures in the IOM. Use this form to record unit information, temperatures, and pressures during startup.
  • Page 70: Functional Troubleshooting Form

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Refrigeration Troubleshooting Form Models: Models: SC, Sr, Water-to-Air Units Functional Troubleshooting Form Sy, SZ 006-072 7300 S.W. 44th Street, Oklahoma City, OK 73179 • Phone: 1-800-299-9747 Customer: Street Address: Model Number: Serial Number: Actual area is 7.25” w x 8.875”h Loop Type: Antifreeze: Guides indicate .125”...
  • Page 71: Warranty (U.s. And Canada)

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Warranty (U.S. and Canada) 006-072 w w w. c l i m a t e m a s t e r. c o m r e v i s e d : F e b r u a r y 2 1 , 2 0 2 5 PA G E : 7 1...
  • Page 72: Revision History

    TranquiliTy® (SE) PrEMiEr SEriES– iOM Models: Revision History 006-072 Date Section Description Electrical Data Updated RLA and LRA values for size 072 EC Blower Motor Control Added section 02/21/25 Constant Volume CV EC Limits Corrected Stage 1 and Stage 2 columns Added the Wireless Service Tool Updated naming conventions for the CXM2, DXM2.5, and the AWC Thermostat 01/03/25...

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